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64345484 = 22761101373
BaseRepresentation
bin1111010101110…
…1010110001100
311111002002102002
43311131112030
5112433023414
610215051432
71410633110
oct365352614
9144062362
1064345484
1133359795
1219670b78
131043bb68
14878d740
1559b04de
hex3d5d58c

64345484 has 48 divisors (see below), whose sum is σ = 132449856. Its totient is φ = 26784000.

The previous prime is 64345481. The next prime is 64345499. The reversal of 64345484 is 48454346.

It is a super-2 number, since 2×643454842 = 8280682622388512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64345481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172322 + ... + 172694.

It is an arithmetic number, because the mean of its divisors is an integer number (2759372).

Almost surely, 264345484 is an apocalyptic number.

It is an amenable number.

64345484 is an abundant number, since it is smaller than the sum of its proper divisors (68104372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64345484 is a wasteful number, since it uses less digits than its factorization.

64345484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its digits is 184320, while the sum is 38.

The square root of 64345484 is about 8021.5636879601. The cubic root of 64345484 is about 400.7184670734.

The spelling of 64345484 in words is "sixty-four million, three hundred forty-five thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 61 101 122 202 244 373 404 427 707 746 854 1414 1492 1708 2611 2828 5222 6161 10444 12322 22753 24644 37673 43127 45506 75346 86254 91012 150692 159271 172508 263711 318542 527422 637084 1054844 2298053 4596106 9192212 16086371 32172742 64345484